想把
\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91
转成汉字,如何转?
回复讨论(解决方案)
好像是密码吧 看不出来是什么编码加密的 只能是通过写代码的人才能知道 即使知道了 即使知道了密码好像也会是二次加密的
$a = '\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91';$a = str_split($a,4);$b = '';foreach ($a as $key => $value) { $b.= chr(hexdec($value));}var_dump(iconv('gbk', 'utf-8',$b));
结果不对的话那就是编码问题
header('Content-type: text/html;charset=utf-8');$s = "\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91";echo iconv('utf-8', 'latin1', $s);//想必是从数据库中读出的$s = '\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91';$s = str_replace('\x', '', $s);echo iconv('utf-8', 'latin1', hex2bin($s));李冬发李冬发
不愧是本版块的版主
版主,
%C3%A4%C2%B8%C2%89%C3%A5%C2%8A%C2%A0%C3%A4%C2%B8%C2%80
这个又怎么解呢
见多而识广
$s = '%C3%A4%C2%B8%C2%89%C3%A5%C2%8A%C2%A0%C3%A4%C2%B8%C2%80';echo iconv('utf-8', 'latin1', urldecode($s));三加一
%C3%A4%C2%B8%C2%89%C3%A5%C2%8A%C2%A0%C3%A4%C2%B8%C2%80
这个又怎么解呢
header('Content-type: text/html;charset=utf-8');$a = "%C3%A4%C2%B8%C2%89%C3%A5%C2%8A%C2%A0%C3%A4%C2%B8%C2%80";echo iconv('utf-8', 'latin1', urldecode($a));
@版主 您好
\xC3\xA5\xC2\xAD\xC2\x9F\xC3\xA6\xC2\xB3\xC2\xA2321
-\xC3\xA5\xC2\x85\xC2\x94\xC3\xA5\xC2\xAD\xC2\x90-
t\xC3\xA5\xC2\xBE\xC2\x85\xC3\xA9\xC2\xB8\xC2\xBF
其中这些编码夹杂着正常的数字 字母 等,再用hex2bin处理会报错
也不会得到处理结果
三楼版主V5啊,再尿性了。学习了,
@版主 您好
\xC3\xA5\xC2\xAD\xC2\x9F\xC3\xA6\xC2\xB3\xC2\xA2321
-\xC3\xA5\xC2\x85\xC2\x94\xC3\xA5\xC2\xAD\xC2\x90-
t\xC3\xA5\xC2\xBE\xC2\x85\xC3\xA9\xC2\xB8\xC2\xBF
其中这些编码夹杂着正常的数字 字母 等,再用hex2bin处理会报错
也不会得到处理结果
header('Content-type: text/html;charset=utf-8');$s = "\xC3\xA5\xC2\xAD\xC2\x9F\xC3\xA6\xC2\xB3\xC2\xA2321-\xC3\xA5\xC2\x85\xC2\x94\xC3\xA5\xC2\xAD\xC2\x90-t\xC3\xA5\xC2\xBE\xC2\x85\xC3\xA9\xC2\xB8\xC2\xBF";echo iconv('utf-8', 'latin1', $s);这个是可以的啊
header('Content-type: text/html;charset=utf-8');$s = "\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91";echo iconv('utf-8', 'latin1', $s);//想必是从数据库中读出的$s = '\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91';$s = str_replace('\x', '', $s);echo iconv('utf-8', 'latin1', hex2bin($s));李冬发李冬发
你看版主第一次就提到了,他没有用双引号,你知道原因了吧。
这样写更具一般性
$s = '\xC3\xA5\xC2\xAD\xC2\x9F\xC3\xA6\xC2\xB3\xC2\xA2321 -\xC3\xA5\xC2\x85\xC2\x94\xC3\xA5\xC2\xAD\xC2\x90- t\xC3\xA5\xC2\xBE\xC2\x85\xC3\xA9\xC2\xB8\xC2\xBF';$f = create_function('', "return \"$s\";");echo iconv('utf-8', 'latin1', $f());孟波321
-兔子-
t待鸿
这样写也可以,不过有些人忌讳 eval
$s = '\xC3\xA5\xC2\xAD\xC2\x9F\xC3\xA6\xC2\xB3\xC2\xA2321 -\xC3\xA5\xC2\x85\xC2\x94\xC3\xA5\xC2\xAD\xC2\x90- t\xC3\xA5\xC2\xBE\xC2\x85\xC3\xA9\xC2\xB8\xC2\xBF';echo iconv('utf-8', 'latin1', eval("return \"$s\";"));
感谢万能的主(版主),阿门~
header('Content-type: text/html;charset=utf-8');$s = "\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91";echo iconv('utf-8', 'latin1', $s);//想必是从数据库中读出的$s = '\xC3\xA6\xC2\x9D\xC2\x8E\xC3\xA5\xC2\x86\xC2\xAC\xC3\xA5\xC2\x8F\xC2\x91';$s = str_replace('\x', '', $s);echo iconv('utf-8', 'latin1', hex2bin($s));李冬发李冬发
你看版主第一次就提到了,他没有用双引号,你知道原因了吧。
不就是个把单引号替换成双引号不就可以了吗
@microlab2009
你不了解应用,不是你说的那样。
举个例子 如下日志需要提取到un参数的值
36.32.251.206 - - [13/Feb/2014:10:44:57 +0800] "GET /s.gif?h=aa.aa.com&sid=139225950488782186&at=Mozilla/5.0%20(compatible;%20MSIE%2010.0;%20Windows%20NT%206.2;%20Trident/6.0;%20.NET4.0E;%20.NET4.0C;%20InfoPath.2;%20.NET%20CLR%203.5.30729;%20.NET%20CLR%202.0.50727;%20.NET%20CLR%203.0.30729)&w=1422&h=800&re=http://www.aa.com/s?wd=%25E5%258D%2595%25E7%2589%2587%25E6%259C%25BA%25E4%25B8%258D%25E7%2594%25A8%25E7%259A%2584IO%25E9%2585%258D%25E7%25BD%25AE%25E8%25BE%2593%25E5%2585%25A5%25E8%25BF%2598%25E6%2598%25AF%25E8%25BE%2593%25E5%2587%25BA%25E5%25A5%25BD&rsv_bp=0&ch=&tn=**&bar=&rsv_spt=3&ie=utf-8&rsv_sug3=31&rsv_sug4=1371&rsv_sug1=6&rsv_sug2=0&inputT=3&url=http://aa.aa.com/icview-328428-1-1.html&t=0&asr=&un=\xC3\xA5\xC2\x8D\xC2\x81\xC3\xA5\xC2\xB9\xC2\xB4\xC3\xA5\xC2\x90\xC2\x8E\xC3\xA5\xC2\x85\xC2\xAB\xC3\xA6\xC2\x9C\xC2\x88 HTTP/1.1" 200 43 "http://aa.aa.com/icview-328428-1-1.html" "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0)" "-"

PHPsessionscanstorestrings,numbers,arrays,andobjects.1.Strings:textdatalikeusernames.2.Numbers:integersorfloatsforcounters.3.Arrays:listslikeshoppingcarts.4.Objects:complexstructuresthatareserialized.

TostartaPHPsession,usesession_start()atthescript'sbeginning.1)Placeitbeforeanyoutputtosetthesessioncookie.2)Usesessionsforuserdatalikeloginstatusorshoppingcarts.3)RegeneratesessionIDstopreventfixationattacks.4)Considerusingadatabaseforsessionstoragei

Session regeneration refers to generating a new session ID and invalidating the old ID when the user performs sensitive operations in case of session fixed attacks. The implementation steps include: 1. Detect sensitive operations, 2. Generate new session ID, 3. Destroy old session ID, 4. Update user-side session information.

PHP sessions have a significant impact on application performance. Optimization methods include: 1. Use a database to store session data to improve response speed; 2. Reduce the use of session data and only store necessary information; 3. Use a non-blocking session processor to improve concurrency capabilities; 4. Adjust the session expiration time to balance user experience and server burden; 5. Use persistent sessions to reduce the number of data read and write times.

PHPsessionsareserver-side,whilecookiesareclient-side.1)Sessionsstoredataontheserver,aremoresecure,andhandlelargerdata.2)Cookiesstoredataontheclient,arelesssecure,andlimitedinsize.Usesessionsforsensitivedataandcookiesfornon-sensitive,client-sidedata.

PHPidentifiesauser'ssessionusingsessioncookiesandsessionIDs.1)Whensession_start()iscalled,PHPgeneratesauniquesessionIDstoredinacookienamedPHPSESSIDontheuser'sbrowser.2)ThisIDallowsPHPtoretrievesessiondatafromtheserver.

The security of PHP sessions can be achieved through the following measures: 1. Use session_regenerate_id() to regenerate the session ID when the user logs in or is an important operation. 2. Encrypt the transmission session ID through the HTTPS protocol. 3. Use session_save_path() to specify the secure directory to store session data and set permissions correctly.

PHPsessionfilesarestoredinthedirectoryspecifiedbysession.save_path,typically/tmponUnix-likesystemsorC:\Windows\TemponWindows.Tocustomizethis:1)Usesession_save_path()tosetacustomdirectory,ensuringit'swritable;2)Verifythecustomdirectoryexistsandiswrita


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